54 lines
1.9 KiB
Java
54 lines
1.9 KiB
Java
/*
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* Copyright (c) 2019, Google LLC. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8222035
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* @summary minimal inference context optimization is forcing resolution with incomplete constraints
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* @compile/fail/ref=MinContextOpTest.out -XDrawDiagnostics MinContextOpTest.java
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*/
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import java.util.Map;
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import java.util.function.Function;
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import java.util.stream.Collector;
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import java.util.stream.Stream;
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public class MinContextOpTest {
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abstract class A {
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abstract static class T<K> {
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abstract String f();
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}
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abstract <E> Function<E, E> id();
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abstract static class ImmutableMap<K, V> implements Map<K, V> {}
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abstract <T, K, V> Collector<T, ?, ImmutableMap<K, V>> toImmutableMap(
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Function<? super T, ? extends K> k, Function<? super T, ? extends V> v);
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ImmutableMap<String, T<?>> test(Stream<T> stream) {
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return stream.collect(toImmutableMap(T::f, id()));
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}
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}
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}
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